A463 HSLAS Type A Grade 70 - ASTM A463/A463M-2025

Grade	A463 HSLAS Type A Grade 70
Corresponding Standard	ASTM A463/A463M-2025 Standard Specification for Steel Sheet, Aluminum-Coated, by the Hot-Dip Process
Classification	Alloy Steel

A463 HSLAS Type A Grade 70 Chemical Element Composition Content (%)

Component	C	Mn	S	Cr ^①	Ni ^①	Cu ^①	Mo ^①	Ti	V	Nb
Minimum Value	-	-	-	-	-	-	-	-	-	-
Maximum Value	0.2	1.65	0.035	0.15	0.2	0.2	0.06	0.3	0.008	0.008

* P: There is no specified limit, but the analysis result shall be reported.
① The sum of copper, nickel, chromium. and molybdenum shall not exceed 0.50 % on heat analysis. When one or more of these elements are specified, the sum does not apply; in which case, only the individual limits on the remaining elements shall apply.

A463 HSLAS Type A Grade 70 Mechanical Properties

Tensile Strength σ_b ksi	Yield Point σ_s ksi	Elongation or Extension Rate δ %
① ≥80	≥70	≥12

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